<!DOCTYPE html>
<html>
<head>
<script>

try {
  navigator.pendingOfflineLoads[0];
} catch (e) {
}

try {
  navigator.pendingOfflineLoads[1000];
} catch (e) {
}

try {
  navigator.pendingOfflineLoads[-1];
} catch (e) {
}

</script>
</head>
<body>
</body>
</html>
